Erano i capei d'oro Van der Roost, Jan F.J. Plichtwerk IKV 2019 - Compulsory work IKV 2019. Equal voices Women.
Pace non trovo Van der Roost, Jan F.J. Plichtwerk IKV 2019 - Compulsory work IKV 2019. Equal voices Men
Nativitas James, William G. Van der Roost, Jan F.J. International Christmas suite. Also available as an organ reduction. Songs separately available.
A Scale a Day Keeps Intonation Okay - scales 3 octaves Geuns, Jan M.C. Scales for violin over 3 octaves